/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.cli;

import org.apache.commons.cli.*;
import org.apache.iotdb.cli.AbstractCli.OperationResult;
import org.apache.iotdb.exception.ArgsErrorException;
import org.apache.iotdb.jdbc.IoTDBConnection;
import org.apache.iotdb.jdbc.IoTDBDatabaseMetadata;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.when;

public class AbstractCliIT {
    private static Logger logger = LoggerFactory.getLogger(AbstractCliIT.class);
    @Mock
    private IoTDBConnection connection;

    @Mock
    private IoTDBDatabaseMetadata databaseMetadata;

    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        when(connection.getMetaData()).thenReturn(databaseMetadata);
        when(connection.getTimeZone()).thenReturn("Asia/Shanghai");
    }

    @After
    public void tearDown() {
    }

    @Test
    public void testInit() {
        AbstractCli.init();
        String[] keywords = {
                AbstractCli.HOST_ARGS,
                AbstractCli.HELP_ARGS,
                AbstractCli.PORT_ARGS,
                AbstractCli.PASSWORD_ARGS,
                AbstractCli.USERNAME_ARGS,
                AbstractCli.ISO8601_ARGS,
                AbstractCli.MAX_PRINT_ROW_COUNT_ARGS,
        };
        for (String keyword : keywords) {
            if (!AbstractCli.keywordSet.contains("-" + keyword)) {
                logger.error(keyword);
                fail();
            }
        }
    }

    @Test
    public void testCheckRequiredArg() throws ParseException, ArgsErrorException {
        Options options = AbstractCli.createOptions();
        CommandLineParser parser = new DefaultParser();
        String[] args = new String[]{"-u", "user1"};
        CommandLine commandLine = parser.parse(options, args);
        String str =
                AbstractCli.checkRequiredArg(
                        AbstractCli.USERNAME_ARGS, AbstractCli.USERNAME_NAME, commandLine, true, "root");
        assertEquals("user1", str);

        args =
                new String[]{
                        "-u", "root",
                };
        commandLine = parser.parse(options, args);
        str =
                AbstractCli.checkRequiredArg(
                        AbstractCli.HOST_ARGS, AbstractCli.HOST_NAME, commandLine, false, "127.0.0.1");
        assertEquals("127.0.0.1", str);
        try {
            str =
                    AbstractCli.checkRequiredArg(
                            AbstractCli.HOST_ARGS, AbstractCli.HOST_NAME, commandLine, true, "127.0.0.1");
        } catch (ArgsErrorException e) {
            assertEquals("IoTDB: Required values for option 'host' not provided", e.getMessage());
        }
        try {
            str =
                    AbstractCli.checkRequiredArg(
                            AbstractCli.HOST_ARGS, AbstractCli.HOST_NAME, commandLine, false, null);
        } catch (ArgsErrorException e) {
            assertEquals("IoTDB: Required values for option 'host' is null.", e.getMessage());
        }
    }

    @Test
    public void testRemovePasswordArgs() {
        AbstractCli.init();
        String[] input = new String[]{"-h", "127.0.0.1", "-p", "6667", "-u", "root", "-pw", "root"};
        String[] res = new String[]{"-h", "127.0.0.1", "-p", "6667", "-u", "root", "-pw", "root"};
        isTwoStringArrayEqual(res, AbstractCli.removePasswordArgs(input));

        input = new String[]{"-h", "127.0.0.1", "-p", "6667", "-pw", "root", "-u", "root"};
        res = new String[]{"-h", "127.0.0.1", "-p", "6667", "-pw", "root", "-u", "root"};
        isTwoStringArrayEqual(res, AbstractCli.removePasswordArgs(input));

        input = new String[]{"-h", "127.0.0.1", "-p", "6667", "root", "-u", "root", "-pw"};
        res = new String[]{"-h", "127.0.0.1", "-p", "6667", "root", "-u", "root"};
        isTwoStringArrayEqual(res, AbstractCli.removePasswordArgs(input));

        input = new String[]{"-h", "127.0.0.1", "-p", "6667", "-pw", "-u", "root"};
        res = new String[]{"-h", "127.0.0.1", "-p", "6667", "-u", "root"};
        isTwoStringArrayEqual(res, AbstractCli.removePasswordArgs(input));

        input = new String[]{"-pw", "-h", "127.0.0.1", "-p", "6667", "root", "-u", "root"};
        res = new String[]{"-h", "127.0.0.1", "-p", "6667", "root", "-u", "root"};
        isTwoStringArrayEqual(res, AbstractCli.removePasswordArgs(input));

        input = new String[]{};
        res = new String[]{};
        isTwoStringArrayEqual(res, AbstractCli.removePasswordArgs(input));
    }

    private void isTwoStringArrayEqual(String[] expected, String[] actual) {
        for (int i = 0; i < expected.length; i++) {
            assertEquals(expected[i], actual[i]);
        }
    }

    @Test
    public void testHandleInputInputCmd() {
        assertEquals(
                OperationResult.STOP_OPER,
                AbstractCli.handleInputCmd(AbstractCli.EXIT_COMMAND, connection));
        assertEquals(
                OperationResult.STOP_OPER,
                AbstractCli.handleInputCmd(AbstractCli.QUIT_COMMAND, connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(
                        String.format("%s=", AbstractCli.SET_TIMESTAMP_DISPLAY), connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(
                        String.format("%s=xxx", AbstractCli.SET_TIMESTAMP_DISPLAY), connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(
                        String.format("%s=default", AbstractCli.SET_TIMESTAMP_DISPLAY), connection));

        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(
                        String.format("%s=", AbstractCli.SET_MAX_DISPLAY_NUM), connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(
                        String.format("%s=xxx", AbstractCli.SET_MAX_DISPLAY_NUM), connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(
                        String.format("%s=1", AbstractCli.SET_MAX_DISPLAY_NUM), connection));
        testSetMaxDisplayNumber();

        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(AbstractCli.SHOW_TIMEZONE, connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(AbstractCli.SHOW_TIMESTAMP_DISPLAY, connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(AbstractCli.SHOW_FETCH_SIZE, connection));

        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(String.format("%s=", AbstractCli.SET_TIME_ZONE), connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(
                        String.format("%s=+08:00", AbstractCli.SET_TIME_ZONE), connection));

        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(String.format("%s=", AbstractCli.SET_FETCH_SIZE), connection));
        assertEquals(
                OperationResult.CONTINUE_OPER,
                AbstractCli.handleInputCmd(
                        String.format("%s=111", AbstractCli.SET_FETCH_SIZE), connection));
    }

    private void testSetMaxDisplayNumber() {
        try {
            AbstractCli.setMaxDisplayNumber("10");
        } catch (NumberFormatException e) {
            fail();
        }

        try {
            AbstractCli.setMaxDisplayNumber("111111111111111");
            fail();
        } catch (NumberFormatException ignored) {
        }

        try {
            AbstractCli.setMaxDisplayNumber("-10");
        } catch (NumberFormatException ignored) {
        }

        try {
            AbstractCli.setMaxDisplayNumber("0");
        } catch (NumberFormatException ignored) {
        }
    }
}
